55366057 has 8 divisors (see below), whose sum is σ = 58449600. Its totient is φ = 52299504.

The previous prime is 55366033. The next prime is 55366061. The reversal of 55366057 is 75066355.

55366057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55366057 - 2¹⁹ = 54841769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55366027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (7306200).

Almost surely, 2^55366057 is an apocalyptic number.

It is an amenable number.

55366057 is a deficient number, since it is larger than the sum of its proper divisors (3083543).

55366057 is a wasteful number, since it uses less digits than its factorization.

55366057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 55366057 is about 7440.8371168841. The cubic root of 55366057 is about 381.1370765804.

The spelling of 55366057 in words is "fifty-five million, three hundred sixty-six thousand, fifty-seven".